It seemed that AHW308 consumed 5~10% more RON95 fuel per 100km during previous 1500km Raya Trip than it took out of RON97 on earlier 2000km trip across Malayan Peninsular, but I forgot the traffic flows and the way I tekaned the accelerator pedal between the two trips were entirely different in fashion. So, I was WRONG to conclude that Peugeot 308Turbo consumes more fuel on RON95 than it does on RON97 .
Surprisingly I found that the average fuel consumption for both trips which run on RON97 and RON95 were almost identical. The trip computer displays below was taken at the end of the trip run on RON95.
The average RON95 fuel consumption for the 586km trip was:
6.2lit./100km i.e 11.16sen per km [@RM1.80/liter] or, 16.1km/liter or 45.8mpg!
Now it is proven TRUE that in term of energy content there is no different between RON95 and RON97! [Click HERE to see fuel consumption for similar car running on RON97]
Next test is to compare high-rev performance [0~100km/hr acceleration and sustainable top speed] between RON95 and RON97.
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Over the last weekend however, I had an opportunity to test similar car running on RON95 on similar route [as earlier trip on RON97] under almost similar 'controlled environment'. They were daylight trips from BBBangi to JB and back covering a total distance of approximately 600km. In both situations the car ran on AUTOcruise most of the time within legal speed limits. The aircond was set to 21degC throughout the trip.
Surprisingly I found that the average fuel consumption for both trips which run on RON97 and RON95 were almost identical. The trip computer displays below was taken at the end of the trip run on RON95.
The average RON95 fuel consumption for the 586km trip was:
6.2lit./100km i.e 11.16sen per km [@RM1.80/liter] or, 16.1km/liter or 45.8mpg!
For the 586km trip the car consumed RM 65.40 or 36.33liter of RON95 i.e slightly over 5/8 but less than 3/4 tank of fuel. The remaining fuel is more than enough for another trip to JB!!!
Now it is proven TRUE that in term of energy content there is no different between RON95 and RON97! [Click HERE to see fuel consumption for similar car running on RON97]
Next test is to compare high-rev performance [0~100km/hr acceleration and sustainable top speed] between RON95 and RON97.
The best average fuel consumption by my308 on RON95 was 6.0liter/100km [16.7 km/liter or 10.8sen/km] when the car was running constantly at 92km/hr read by the speedo [or exactly 90km/hr on the GPS] on a trip along PLUS covering 291km on October 4th. 2009.
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9 comments:
looking forward to seeing the results of the 0-100km/h test. thanks for this particular round of testing. it will quell any psychological induced feelings in my daily drive between the two fuels.
in my first 1k km, the fuel consumption ratings have improved. of course in the first tank lanjak lanjak la... new and all plus it was a free tank... i cried (shock induced) as it only reached about 350km haha, i then decided to drive as i usually drive, i.e. moderately, with the rpm hardly ever exceeding 3k... last tank (3rd tank) reached 430km. pure city driving of course...
how true is it that the engine is "tight" in the first 1k km? friends tell me the fc will improve as i start to surpass the 1k km mark.
My308 fuel consumption had improved after 10,000km service. Not sure exactly whether the 'tightness' eased a bit [hee heee..] but I believe it could be due to the new lub oil used.
I changed to Mobil-1 gold 0w-40. It would be even better if Mobil-1 is 0w-30 because Peugeot Australia recommends 0w-30 and 5w-30 and comply with ACEA A3 specifications.
uncle.d,
as usual uncle.d punyer experimen memang detail.. siap ade gradient jalan tuh hehe
saya tak pernah risau pasal consumption uncle.d, sbb dah turbo kan.. tekan jelah.. i'm more concerned that the engine now is not at it's true potential since bile lesser ron the engine will detune itself??
another thing, shell baru release new formula ron95,97 yang fuel save. the claim is for every 50 liter of full tank u will save 1 liter if using this fuel.. uncle.d try yang nieh plak ker? hehehe
Zubaiauto,
I just wanted to prove that when driven economically, under controlled environment there is no or very little difference in consumption between using RON95 and RON97 for 308Turbo.
Now I'm testing hi-rev performance using RON95 and will compare with what I'd done using RON97 before. So far I don't find any significant difference in performance. I'll post facts and figures.
Nevertheless, I feel there is some power loss when using RON95 on 206. Will do the test under controlled environment later on as well.
As I always say, Peugeot 308Turbo can be driven for low fuel consumption or performance but not both at the same time.
For instance the fuel consumption can be anything between 6~12liter/100km or 8~16km/liter [i.e 11~22sen/km]- all depends on the driver's right foot. Right?
Happy Motoring.
Bila nak buat TT kat Putrajaya/Cyberjaya?
Right, our right foot... tapi saya punyer cacat skit uncle.d
kalau jumpe throttle trus jadi "berat" hehehe
ok uncle.d awaiting your final result on performance driving with ron95.
bile nak T.T? uncle.d lah sms biler nak meet up... kami menurut printah ajer.. hormat orang lame :)
Just curious, how do u convert from km per liter (km/l) to miles per gallon (mpg)? I think there is some miscalculation throughout your blog (whenever mpg was calculated).
For example, FC at 6.2l/100km = 16.12km/l * 2.352mpg/(km/l) = 38mpg.
if i'm wrong, please correct me.
thank you
Hi Zahrawi,
Probably you have been Americanized.
Your gallon is smaller than mine. Probably your ur gallon is only 3.785412liters.
My gallon is 4.54609liters.
cheers.
yup. that's true.
thnx uncle.d! really appreciate ur fast reply.
all this time, i've only been silent reader to your blog (a great blog, keep it up!). it's just that recently i plan to purchase a new car, either the 308 thp or the new 2011 avante (which will be launched in Q3 2011). hyundai keep on boasting of it's 40mpg, so that's why i wanted to compare in terms of fc with 308 thp. thnx for clearing things up.
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